<template>
  <view>
    <view class="search-box">
       <my-search @click="gotoSearch"></my-search>
    </view>
   
    
    <!-- 轮播图的区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id =' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类的区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>

    <!-- 楼层区域 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList" :key = i>
        <image :src="item.floor_title.image_src" class="floor-title">
          
          <view class="floor-img-box">
            <navigator class="left-img-box" :url="item.product_list[0].url">
              <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width +'rpx'}" mode="widthFix"></image>
            </navigator>
            <view class="right-img-box">
              <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key = "i2" v-if="i2 !== 0" :url="item2.url">
               <image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix"></image>
              </navigator>
            </view>
          </view>
          
        </image>
      </view>
    </view>


  </view>
</template>

<script>
  export default {
    data() {
      return {
        //这是轮播图的数据列表
        swiperList: [],
        //分类导航数据
        navList: [],
        // 楼层数据
        floorList: [],
       
      };
    },

    onLoad() {
      //调用方法获取轮播图数据
      this.getSwiperList(),
        //调用方法获取分类导航数据
        this.getNavList(),
        // 调用方法得到楼层数据
        this.getFloorList()
    },

    methods: {

      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        console.log(res)
        // 请求失败
        if (res.meta.status !== 200) {
          return uni.showToast({
            title: '数据请求失败',
            duration: 1500,
            icon: 'none'
          })
        }
        uni.$showMsg('数据请求成功')
        this.swiperList = res.message
      },

      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        console.log(res)

        if (res.meta.status == 200) {
          uni.$showMsg('数据请求成功')
          this.navList = res.message
          return
        }
        uni.$showMsg('数据请求失败')

      },

      //nav-item项被点击时候的事件处理函数 
      navClickHandler(item) {
        console.log(item.name)
        if (item.name === '分类')
          uni.switchTab({
            url: "/pages/cate/cate"
          })
      },
      
      async getFloorList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/floordata')
        console.log(res)
        if (res.meta.status == 200) {
          uni.$showMsg('数据请求成功')
          
          //对数据进行处理
          res.message.forEach(floor =>{
            floor.product_list.forEach(prod =>{
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
          
          this.floorList = res.message
          return
        }
        uni.$showMsg('数据请求失败')
      },
      
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
      
      
    },

  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  
  .floor-title{
    height: 60rpx;
    width: 100%;
    display: flex;
  }

.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}

.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.search-box{
  //设置吸顶效果
  position: sticky;
  top:0;
  z-index: 999;
}
  
</style>
